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[UNVERIFIED] Astra diagram pass

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This commit is contained in:
h3cx
2026-09-10 23:39:49 +02:00
parent 45c0d7f8ec
commit 31b3595ac0
81 changed files with 3762 additions and 192 deletions
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Architecture/IO_MODULES/DIGITAL_OUTPUTS.md
+4 -29
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@@ -22,15 +22,7 @@ may use either class only when the external starter interface accepts it.
Use the automotive-qualified TI `TPS4H000-Q1` quad smart high-side switch.
It is supplied from `+5V_AUX`, not directly from `+5V_MAIN`.
```text
+5V_MAIN --> +5V_AUX eFuse / load switch --> TPS4H000-Q1 VBB
|
MCU GPIO --> TPS4H000-Q1 INx OUTx --> LOGIC_OUTx --> connector
| |
R_IN_PD R_OUT_PD
| |
GND GND
```
![Logic output](../diagrams/logic-output.svg)
- `+5V_AUX` isolates an external logic-output fault from `+5V_MAIN`, the MCU,
and the sensor-excitation rail.
@@ -67,28 +59,11 @@ fault and transient specification before schematic freeze.
Use the automotive-qualified Infineon `TLE9104SH` smart quad low-side switch.
It drives battery-domain loads supplied from `VBAT_PROT`.
```text
VBAT_PROT --> external load --> SINK_OUTx --> TLE9104SH OUTx
|
internal low-side MOSFET
|
OUT_PGND --> power-entry ground star
![Sink power](../diagrams/sink-power.svg)
VBAT_PROT --> TLE9104SH VS +5V_MAIN --> TLE9104SH VDD
+3V3_MAIN --> TLE9104SH VIO
![Sink interfaces](../diagrams/sink-interfaces.svg)
MCU GPIO --> TLE9104SH INx MCU SPI <--> TLE9104SH SPI
| |
R_IN_PD diagnostics
|
TLE9104SH local ground reference
MCU enable --> TLE9104SH EN
|
R_EN_PD
|
TLE9104SH local ground reference
```
![Sink command](../diagrams/sink-command.svg)
- The TLE9104SH supplies active inductive-load clamping, configurable
overcurrent protection, short-circuit and thermal protection, direct channel